Ekapa curvipes (Purcell, 1902)
- Dataset
- GBIF Backbone Taxonomy
- Rank
- SPECIES
- Published in
- Rios-Tamayo, Duniesky, Lyle, Robin, Sole, Catherine L. (2023): Ekapa, a new genus of mygalomorph spiders (Araneae, Entypesidae) from South Africa. African Invertebrates 64 (1): 1-12, DOI: http://dx.doi.org/10.3897/afrinvertebr.64.97018, URL: http://dx.doi.org/10.3897/afrinvertebr.64.97018
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Arachnida
- order
- Araneae
- family
- Entypesidae
- genus
- Hermacha
- species
- Hermacha curvipes
description
Description. Male (NCA 2008 / 770, Figs 3 A-F, 4 A-I): Total length: 14.74. Cephalothorax (Fig. 3 A): length 7.09, width 5.36, with lateral dark marginal bristles, and dorsal pubescence. Cephalic region: length 4.27; clypeus short, with 6 bristles on the edge, seven bristles in front (the central bigger) and 4 on the back of the OQ. Fovea: width 0.69, recurved and divided. Eyes, diameters and interdistances (Fig. 3 F): AME 1.08, ALE 2.09, PME 1.60, PLE 1.90, OQ length 3.83, 7.03 width; AME-ALE 0.57, PME-PLE 0.17, AME-PME 0.48, ALE-PLE 0.37, AME-AME 0.84, OMP-OMP 2.73. Chelicerae: length 3.38, width 1.94, with dark dorsal-anterior bristles, rastellum formed by setae; intercheliceral tumescence small, well-marked and with setae (Fig. 3 E). Cheliceral furrow with 10 promarginal teeth and 20 mesobasal denticles. Labium: length 0.82, width 1.84. Maxillae: length 4.19, width 1.75, with 124 cuspules on inner corner, prolateral face curved, soft area small, with long uniformly distributed hairs. Sternum (Fig. 3 B): length 6.96, maximum width 4.98. Abdomen (Fig. 3 C): length 6.07, covered with small hairs and dark bristles. Spinnerets (Fig. 3 D): PMS: length 2.28; PLS: length of basal: medial: apical segments 3.03: 2.35: 4.18. Lengths of legs and palp: I: 6.90, 4.09, 4.87, 4.97, 3.18, 24.01. II: 5.13, 2.96, 3.62, 3.74, 2.41, 17.86. III: 4.58, 2.53, 2.97, 4.08, 2.33, 16.49. IV: 5.73, 2.88, 4.13, 5.44, 2.59, 20.77; Palp: 7.39, 3.98, 5.04, -, 2.72, 19.13. Chaetotaxy: Leg I: femur, 1 - 1 - 1 P, 1 - 1 - 1 - 1 D, 1 - 1 R; patella, 1 - 1 P; tibia, 1 - 1 P, 1 R (1 / 2 B), 2 - 1 - 2 V, and a strong apical spine (ventral posterior); metatarsus, 1 - 1 P, 1 - 2 V (1 / 2 A), strongly curved with a well-marked retrolateral elbow. Leg II: femur, 1 - 1 - 1 P, 1 - 1 - 1 - 1 D, 1 - 1 - 1 - 1 R; patella, 0; tibia, 1 - 1 P, 2 - 1 - 3 V; metatarsus, 1 P, 1 - 1 D, 1 RM, 2 - 2 - 2 V. Leg III: femur, 1 - 1 - 1 P, 1 - 1 - 1 - 1 D, 1 - 1 - 1 R; patella, 1 - 1 P, 1 R; tibia, 1 - 1 - 1 P, 1 - 1 D, 1 - 1 R, 2 - 2 - 3 V; metatarsus, 1 - 1 - 1 P, 1 - 1 - 1 D-P, 1 - 1 - 1 D-R, 2 - 2 - 3 V. Leg IV: femur, 1 - 1 - 1 - 1 P, 1 - 1 - 1 - 1 D, 1 - 1 - 1 - 1 R; patella, 1 R; tibia, 1 - 1 P, 1 DB, 1 - 1 R, 2 - 2 - 3 V; metatarsus, 1 - 1 - 1 P, 1 - 1 - 1 D-P, 1 - 0 - 1 D-R, 1 - 1 - 9 - 1 R, 2 - 1 - 1 - 3 V. Pedipalp: femur, 1 PA, 1 - 1 - 1 d; patella, 1 PA; tibia, 1 - 2 - 2 P, 1 D, 1 RA, developed retroventral projection (Fig. 4 E); tarsus, 0. Copulatory bulb tapering, with two developed flags (center with a large spoon-like depression), with the distal portion truncate continuing with a short, slender and curved tip, with two strong posterior keels (Fig. 4 A-D). Scopula: Metatarsi: I, dense, distributed throughout the segment (more abundant 1 / 2 A); II, dense, distributed throughout the segment; III, sparse apical, divided by setae; IV, 0. Tarsi: I-II, dense, uniformly distributed throughout the segment; III-IV, dense, uniformly distributed and divided by a wide band of setae (narrow on III). Trichobothria: Tibiae: I 11 - 12; II 11 - 10; III 10 - 11; IV 13 - 12. Metatarsi: I 1 (5) 1 (3) 1 (3) 1 (4); II 1 (5) 2 (4) 1 (2) 1 (5); III 1 (5) 1 (3) 1 (2) 1 (1) 1 (4); IV 1 (6) 1 (5) 1 (7). Tarsi: I-III 14; IV 15. Preening combs: III 3 RV- 3 PV, IV 2 PV- 3 RV. Color: Entire body reddish-brown, first leg darker. Sternum and coxae lighter. All tarsi with ventral and laterals pallid, but not flexuous. Abdomen brown with dorsal chevrons (Fig. 3 C); spinnerets with same color as abdomen. Female (SAM-ENW-X 013899, Fig. 5 A-E): Total length: 17.61. Cephalothorax (Fig. 5 A): length 5.15, width 3.88. Cephalic region: length 3.43, clypeus small (almost absent), with 4 marginal bristles; 12 bristles in front of the OQ, with a line of setae reaching as far as the fovea. Fovea: width 0.77, straight (slightly recurved). Eyes, diameters and interdistances (Fig. 5 C): AME 0.10, ALE 0.26, PME 0.18, PLE 0.24, OQ length 0.49, width 0.89; AME-ALE 0.07, PME-PLE 0.02, AME-PME 0.11, ALE-PLE 0.05, AME-AME 0.17, PME-PME 0.42. Chelicerae: length 3.81, width 2.68; with dorsal-retrolateral dark bristles, rastellum with numerous rough bristles. Fang groove with 9 promarginal teeth and 16 mesobasal denticles. Labium: length 0.48, width 0.94, with 2 cuspules. Maxillae: length 2.16, width 0.92, with 133 cuspules on inner corner, prolateral face slightly curved, soft area small, with long uniformly distributed hairs, no serrula. Sternum (Fig. 5 B): length 2.74, maximum width 2.29. Abdomen: length 8.74, covered with small hairs and setae. PMS: length 0.68; PLS: length of basal: medial: apical segments 1.26: 0.79: 0.86. Lengths of legs and palp: I: 3.93, 2.45, 2.68, 2.41, 1.62, 13.71. II: 3.71, 2.24, 2.32, 2.84, 1.57, 12.68. III: 2.97, 1.79, 1.68, 2.46, 1.44, 10.34. IV: 3.39, 2.22, 3.06, 3.55, 1.54, 14.30. Palp: 2.89, 1.59, 1.69, -, 2.00, 8.17. Chaetotaxy: Leg I: femur, 1 PA; patella, 1 PA; tibia, 1 - 1 P, 1 - 1 - 3 V; metatarsus, 2 - 1 - 1 V. Leg II: femur, 1 - 1 - 1 - 1 d, 1 PA; patella, 1 - 1 P; tibia, 1 - 1 P, 1 - 1 - 2 V; metatarsus, 1 - 1 P (1 / 2 B), 2 - 2 - 2 V. Leg III: femur, 1 db, 1 - 1 P, 1 RA; patella, 1 - 1 - 1 P, 1 R; tibia, 1 - 1 P, 1 - 1 D, 1 - 1 R, 2 - 2 - 3 V; metatarsus, 1 - 1 - 1 P, 1 - 1 - 1 D-P, 1 - 1 - 1 D-R, 2 - 2 - 3 V. Leg IV: femur, 1 - 1 - 1 - 1 d, 1 PA; patella, 1 R; tibia, 1 - 1 R, 2 - 2 - 2 V; metatarsus, 1 - 1 - 1 P, 1 - 1 D-P (1 / 2 ANT), 1 - 1 - 1 - 1 D-R, 2 - 1 - 1 - 1 - 3 V. Pedipalp: femur, 1 PA; patella, 1 - 1 p; tibia, 2 - 1 - 1 - 3 P, 1 - 2 - 3 V; tarsus, 2 P, 1 VB. Spermathecae: complete, a high base with two lateral stalks, with an elongated receptacle (Fig. 5 D, E). Scopula: Metatarsi: I, dense, uniformly distributed; II, dense, 3 / 4 A, divided by setae; III-IV, 0. Tarsi: I, dense, uniformly distributed; II, dense, uniformly distributed and divided by setae; III-IV, sparse, uniformly distributed (III divided by a wide band and IV by a very wide band of setae). Trichobothria: Tibiae: palp 8 - 9; I 9 - 9; II 6 - 5; III 8 - 8; IV 9 - 9. Metatarsi: I 1 (5) 1 (4) 1 (2) 1 (3); II 1 (4) 1 (3) 1 (1) 1 (3); III 1 (4) 1 (3) 1 (1) 1 (4); IV 1 (5) 1 (2) 1 (2) 1 (1) 1 (5). Tarsi: palp 10; I 14; II-III 12; IV 14. Preening combs: II 2 PV, III 3 PV, IV 3 RV- 2 PV. Color: Entire body reddish-brown (chelicerae darker), legs same color as cephalothorax. Abdomen brown, with a mottled pattern dorsally; spinnerets same color as abdomen.
description
Figs 1, 2, 3, 4, 5
diagnosis
Diagnosis. As for the genus.
distribution
Distribution. Known from the Western Cape Province.
materials_examined
Additional material examined. Western Cape, Cape Town, Aug 1965, collector not indicated, 1 ♂ (NM 16639); Bergvliet flats, Constantia, (34.05 ° S, 18.45 ° E), Oct 1902, collector not indicated, 1 ♀ (SAM-ENW-X 012166), erroneously identified as Hermacha purcelli; Table Mountain, 1 Aug 2005, J. Pryke, C. coll., 3 ♂♂ (NCA 2008 / 770).
Name
- Homonyms
- Ekapa curvipes (Purcell, 1902)